//public class Student {
//    private String name;
//    private String gender;
//    private int age;
//
//    public void initStu() {
//        this.name = "jake";
//        this.age = 12;
//        this.gender = "man";
//        System.out.println("name:"+this.name);
//        System.out.println("age:"+this.age);
//        System.out.println("gender:"+this.gender);
//    }
//    public static void main(String[] args) {
//        Student s1 = new Student();
//        s1.initStu();
//    }
//}